health insurance giant united healthcare led its sector and the dow industrial stock average. trading volume almost doubled with the stock up 3%. on monday, the company's profit prediction for next year was less than anticipated. but with today's rally, shares have recovered from that sell- off and then some. retail continues to be in focus. the calendar month may not be over, but for several stores, the sales month for november is in the books. 17 chains reported sales at stores open for at least year. overall, sales were up 1.6%, according to thomson-reuters. that's only half the growth expected. the impact of hurricane sandy on the east coast earlier in the month gets the blame for the disappointment. among those with worse than expected results, kohl's shares plunged 12% as volume jumped ten times normal. kohl's in all regions of the u.s. reported a drop in november sales. macy's stock fell 4.3% to its lowest price since halloween. its same-store sales were down for the first time in three years. jewelry store tiffany cut its outlook after a weak third quarter. profits wer